Five example analyses are used to illustrate the broad scope of a computer simulation package (LLKM) designed to explore alternative management scenarios for kokanee populations in large lakes. LLKM focuses on kokanee and is designed to assist managers in anticipating the results of a variety of management actions in three main categories: regulations, stocking, and habitat alteration. LLKM is based on a variety of empirical relationships that link factors such as fish growth to density. Some of these relationships form dynamic links to lower trophic levels which are not explicitly modelled. Output consists of time series graphs of indicators such as natural and spawning channel populations of kokanee, conditions under which piscivorous rainbow induce population collapse in kokanee, the effects on kokanee density on angling quality, methods of estimating potential yield in data poor situations and the potential impacts of sockeye enhancement on kokanee.
Parkinson, Eric A., Korman, Josh. 1994. Application of the Large Lakes Kokanee Model to Five Management Problems in British Columbia. Ministry of Environment, Lands and Parks. Fisheries Management Report. FMR103
Topic: Fish and Fish Habitats
Keywords: kokanee, model, management
Scientific Name: Oncorhynchus nerka
English Name: Sockeye Salmon
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